/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hddz.comlib.ui.base.quicksearchbox;

import android.database.DataSetObserver;

/**
 * A suggestion cursor that delegates all methods to another SuggestionCursor.
 */
public class SuggestionCursorWrapper extends AbstractSuggestionCursorWrapper
{
	private final SuggestionCursor	mCursor;

	public SuggestionCursorWrapper(String userQuery, SuggestionCursor cursor)
	{
		super(userQuery);
		mCursor = cursor;
	}

	public void close()
	{
		if (mCursor != null)
		{
			mCursor.close();
		}
	}

	public int getCount()
	{
		return mCursor == null ? 0 : mCursor.getCount();
	}

	public int getPosition()
	{
		return mCursor == null ? 0 : mCursor.getPosition();
	}

	public void moveTo(int pos)
	{
		if (mCursor != null)
		{
			mCursor.moveTo(pos);
		}
	}

	public boolean moveToNext()
	{
		if (mCursor != null)
		{
			return mCursor.moveToNext();
		}
		else
		{
			return false;
		}
	}

	public void registerDataSetObserver(DataSetObserver observer)
	{
		if (mCursor != null)
		{
			mCursor.registerDataSetObserver(observer);
		}
	}

	public void unregisterDataSetObserver(DataSetObserver observer)
	{
		if (mCursor != null)
		{
			mCursor.unregisterDataSetObserver(observer);
		}
	}

	@Override
	protected SuggestionCursor current()
	{
		return mCursor;
	}
}
